AMD EPYC 7F72 vs Intel Core i9-14900K Comparison

The Verdict

The AMD EPYC 7F72 and Intel Core i9-14900K are fundamentally different processors aimed at different workloads, despite both having 24 cores. The database shows the EPYC 7F72 wins 9 head-to-head benchmarks while the i9-14900K wins 8, but the nature of those wins tells the real story. The EPYC 7F72 dominates in single-threaded Cinebench tests, data encryption, physics simulations, and prime number finding, while the i9-14900K takes multi-threaded Cinebench R15 and R20, floating-point math, integer math, and PassMark multithread.

For server and workstation users, the EPYC 7F72 is the clear choice. Its 96th percentile ranking versus all CPUs, combined with a 192 MB shared L3 cache and eight-channel DDR4 memory, makes it superior for database compression, encryption workloads, and scientific computing that relies on large datasets. The 179.7% lead in Cinebench R23 single-core over the i9-14900K is staggering, and the 13.8% advantage in R23 multi-core confirms sustained server-class performance.

For desktop enthusiasts and content creators, the i9-14900K makes more sense. It holds a 26% lead in Cinebench R15 multi-core, a 9.5% advantage in R20 multi-core, and a 29.1% edge in PassMark floating-point math. Its 6.00 GHz boost clock and unlocked multiplier allow for aggressive overclocking that the locked EPYC cannot match. The i9-14900K also carries integrated UHD Graphics 770, eliminating the need for a discrete GPU in basic systems.

The verdict is split by use case. The EPYC 7F72 is for memory-bandwidth-hungry, encryption-heavy, and single-thread-sensitive server tasks. The i9-14900K is for desktop productivity, floating-point workloads, and scenarios where per-core boost speed matters more than raw cache capacity.

Architecture Differences

The EPYC 7F72 uses AMD's Zen 2 architecture on a 7 nm TSMC process, codenamed Rome. It packs 24 cores and 48 threads into an AMD Socket SP3 package with a 240 W TDP. The i9-14900K uses Intel's Raptor Lake architecture on a 10 nm Intel process, codenamed Raptor Lake-R, fitting 24 cores and 32 threads into Intel Socket 1700 with a 125 W TDP.

Cache configurations differ dramatically. The EPYC 7F72 provides 96 KB of L1 per core, 512 KB of L2 per core, and a massive 192 MB of shared L3 cache. The i9-14900K offers 80 KB of L1 per core, 2 MB of L2 per core, and only 36 MB of shared L3. This 156 MB difference in L3 is the single most important architectural distinction for workloads that exceed the smaller cache.

Memory support further separates the two. The EPYC 7F72 uses DDR4 with an eight-channel memory bus, delivering 204.8 GB/s of bandwidth. The i9-14900K supports both DDR4 and DDR5 but uses a dual-channel bus, with no bandwidth figure recorded in the database. Both support ECC memory, which is notable for the desktop i9-14900K.

The EPYC 7F72 uses PCIe Gen 4, while the i9-14900K uses PCIe Gen 5 with 16 lanes from the CPU. The EPYC has no integrated graphics; the i9-14900K includes UHD Graphics 770. The EPYC is not multiplier-unlocked, while the i9-14900K is fully unlocked for overclocking.

The EPYC 7F72 was released on 2020-04-13, and the i9-14900K on 2023-10-16. The EPYC has a 74 mm² die size with 3,800 million transistors; the i9-14900K has a 257 mm² die with no transistor count recorded. The EPYC targets the Server/Workstation segment, while the i9-14900K is a Desktop part.

Where Each One Wins

The EPYC 7F72 wins decisively in single-threaded Cinebench tests. In Cinebench R15 single-core, it scores 637 versus 324.5 for the i9-14900K, a 96.3% advantage. In R23 single-core, the gap widens to 179.7% (6328 versus 2262.5). This is counterintuitive given the i9-14900K's 6.00 GHz boost clock versus 3.70 GHz for the EPYC, but the recorded data is unambiguous.

The EPYC also dominates in PassMark physics (6459 versus 3140, a 105.7% lead), find prime numbers (498 versus 231, a 115.6% lead), and data encryption (56261 versus 46813, a 20.2% lead). It wins data compression by 2% (808795 versus 792694), extended instructions by 3.9% (46936 versus 45154), and random string sorting by 17.8% (102436 versus 86971).

The i9-14900K wins PassMark single-thread by 49.2% (4697 versus 2384), which contradicts the Cinebench single-core results, highlighting that benchmark suites measure different aspects of single-core performance. It also leads in PassMark multithread by 10.1% (58674 versus 52740), floating-point math by 29.1% (152975 versus 108437), and integer math by 14% (210622 versus 181103). In Cinebench, it wins R15 multi-core by 26% (6103 versus 4518) and R20 multi-core by 9.5% (20793 versus 18828).

The split is clean: EPYC for cache-sensitive, encryption-heavy, and physics-based workloads; i9-14900K for raw floating-point throughput and higher per-core PassMark scores.

FAQ

Q: Which processor has more threads?

A: The AMD EPYC 7F72 has 48 threads versus 32 threads for the Intel Core i9-14900K, despite both having 24 cores.

Q: Does the Intel Core i9-14900K have integrated graphics?

A: Yes, the i9-14900K includes UHD Graphics 770. The AMD EPYC 7F72 has no integrated graphics.

Q: What is the L3 cache difference?

A: The EPYC 7F72 has 192 MB of shared L3 cache, while the i9-14900K has 36 MB of shared L3 cache, a difference of 156 MB.

Q: Which processor is better for data encryption?

A: The EPYC 7F72 scores 56261 in PassMark data encryption versus 46813 for the i9-14900K, a 20.2% advantage.

Q: Can the Intel Core i9-14900K be overclocked?

A: Yes, the i9-14900K has an unlocked multiplier. The EPYC 7F72 does not.

Q: What memory channels does each support?

A: The EPYC 7F72 supports eight-channel DDR4 with 204.8 GB/s bandwidth. The i9-14900K supports dual-channel DDR4 and DDR5.

Head-to-Head Benchmarks

The largest single-core win belongs to the EPYC 7F72 in Cinebench R23 single-core, where it scores 6328 against 2262.5 for the i9-14900K, a 179.7% delta. This is followed by Cinebench R15 single-core at 96.3% (637 versus 324.5). The EPYC also shows a 115.6% lead in PassMark find prime numbers (498 versus 231) and a 105.7% lead in PassMark physics (6459 versus 3140).

The i9-14900K's biggest win is PassMark single-thread at 49.2% (4697 versus 2384). Its next largest is PassMark floating-point math at 29.1% (152975 versus 108437). In Cinebench R15 multi-core, the i9-14900K leads by 26% (6103 versus 4518), and in PassMark integer math by 14% (210622 versus 181103).

In Cinebench R20, the i9-14900K wins both multi-core (20793 versus 18828) and single-core (2935 versus 2657), both by 9.5%. The EPYC 7F72 wins Cinebench R23 multi-core by 13.8% (44829 versus 39399.5), reversing the R20 result.

PassMark multithread favors the i9-14900K by 10.1% (58674 versus 52740). Data compression is nearly tied, with the EPYC ahead by just 2% (808795 versus 792694). Extended instructions favor the EPYC by 3.9% (46936 versus 45154), and random string sorting by 17.8% (102436 versus 86971).

The overall average benchmark score for the EPYC 7F72 is 85072, placing it at the 96th percentile of all CPUs. The i9-14900K averages 79097, at the 95th percentile. The EPYC's nearest rival, the Intel Core Ultra 9 290K Plus, scores 84003, just 1.3% behind. The i9-14900K's nearest rival, the Intel Core i9-14900KF, scores 79371, only 0.3% behind.

The data shows a processor pair that rarely overlaps in intended use. The EPYC 7F72's enormous cache and eight-channel memory make it a server specialist, while the i9-14900K's higher clocks and unlocked multiplier make it a desktop generalist. The 9-8 win split in benchmarks is misleading; the nature of each win matters far more than the count. The i9-14900K carries a launch MSRP of $589, a figure stated once here for reference.